Large temperature rise of boiler feed water in the economiser should b

1.	Large temperature rise of boiler feed water in the economiser should be avoided because:
A.	The economiser efficiency will reduce
B.	The overall steam generator efficiency will reduce
C.	Effectiveness of regenerator will he lower
D.	Flue gas will cool to dew point
Answer» D. Flue gas will cool to dew point

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Large temperature rise of boiler feed water in the economiser should be avoided because:

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